Creating Case Control Deck

[miguel...@gmail.com]

Hi

I loaded the bulk data from a bdf and now I want to create the case control deck. If I use bdf.case_control_deck it appears the line 'BEGIN BULK', but when writing the bdf it does not appear. I will also want to add the 'SOL 101', 'CEND', 'SPC = 1', etc...

¿Can I create the executive control and case control from scratch from within pynastran?

Thanks!

[Alejandro Stewart]

Hello,

I was able to create a single subcase (only needed one but I think it may be similar) with the following:

new_model.create_subcases([1])
sub_1=new_model.subcases[1]
sub_1.sol=101
sub_1.add('SPC',1,[],'STRESS-type')
sub_1.add('LOAD',2,[],'STRESS-type')
sub_1.add('FORCES',1,['PRINT','PLOT'],'STRESS-type')
sub_1.add_set_from_values(1, list(props.keys()))
new_model.update_solution(101,'',1)

to get:

SOL 101
CEND
$CASE CONTROL DECK
SUBCASE 1
    SET 1 = 1 THRU 30
    FORCE(PRINT,PLOT) = 1
    LOAD = 2
    SPC = 1
BEGIN BULK

Hope that helps

Alejandro

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[miguel...@gmail.com]

Thanks Alejandro, but I still don't get anything printed to the bdf file (when I use write_bdf method). There are only modifications in the bulk data entries.

[Alejandro Stewart]

Without seeing your code it is difficult, but my guess is that maybe you imported the model with punch=True

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[Steven Doyle]

That looks like that is the case.  You need to set:

  model.punch = False

That should probably be handled by create_subcases.

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[miguel...@gmail.com]

Thank you! Indeed was the because the punch=True. It is now solved using model.punch = False.